// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "content/shell/android/shell_manager.h"

#include "base/android/jni_android.h"
#include "base/android/jni_string.h"
#include "base/android/scoped_java_ref.h"
#include "base/bind.h"
#include "base/lazy_instance.h"
#include "content/public/browser/web_contents.h"
#include "content/shell/browser/shell.h"
#include "content/shell/browser/shell_browser_context.h"
#include "content/shell/browser/shell_content_browser_client.h"
#include "jni/ShellManager_jni.h"
#include "url/gurl.h"

using base::android::JavaParamRef;
using base::android::JavaRef;
using base::android::ScopedJavaLocalRef;

namespace {

struct GlobalState {
    GlobalState() { }
    base::android::ScopedJavaGlobalRef<jobject> j_shell_manager;
};

base::LazyInstance<GlobalState> g_global_state = LAZY_INSTANCE_INITIALIZER;

} // namespace

namespace content {

ScopedJavaLocalRef<jobject> CreateShellView(Shell* shell)
{
    JNIEnv* env = base::android::AttachCurrentThread();
    return Java_ShellManager_createShell(env,
        g_global_state.Get().j_shell_manager,
        reinterpret_cast<intptr_t>(shell));
}

void RemoveShellView(const JavaRef<jobject>& shell_view)
{
    JNIEnv* env = base::android::AttachCurrentThread();
    Java_ShellManager_removeShell(env, g_global_state.Get().j_shell_manager,
        shell_view);
}

// Register native methods
bool RegisterShellManager(JNIEnv* env)
{
    return RegisterNativesImpl(env);
}

static void Init(JNIEnv* env,
    const JavaParamRef<jclass>& clazz,
    const JavaParamRef<jobject>& obj)
{
    g_global_state.Get().j_shell_manager.Reset(obj);
}

void LaunchShell(JNIEnv* env,
    const JavaParamRef<jclass>& clazz,
    const JavaParamRef<jstring>& jurl)
{
    ShellBrowserContext* browserContext = ShellContentBrowserClient::Get()->browser_context();
    GURL url(base::android::ConvertJavaStringToUTF8(env, jurl));
    Shell::CreateNewWindow(browserContext,
        url,
        NULL,
        gfx::Size());
}

} // namespace content
